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<a name="UMASK-_002d_002d_002d-Set-the-file-creation-mask"></a>
<h3 class="section">8.279 <code>UMASK</code> &mdash; Set the file creation mask</h3>
<a name="index-UMASK"></a>
<a name="index-file-system_002c-file-creation-mask"></a>

<dl compact="compact">
<dt><em>Description</em>:</dt>
<dd><p>Sets the file creation mask to <var>MASK</var>. If called as a function, it
returns the old value. If called as a subroutine and argument <var>OLD</var>
if it is supplied, it is set to the old value. See <code>umask(2)</code>.
</p>
</dd>
<dt><em>Standard</em>:</dt>
<dd><p>GNU extension
</p>
</dd>
<dt><em>Class</em>:</dt>
<dd><p>Subroutine, function
</p>
</dd>
<dt><em>Syntax</em>:</dt>
<dd><table>
<tr><td width="80%"><code>CALL UMASK(MASK [, OLD])</code></td></tr>
<tr><td width="80%"><code>OLD = UMASK(MASK)</code></td></tr>
</table>

</dd>
<dt><em>Arguments</em>:</dt>
<dd><table>
<tr><td width="15%"><var>MASK</var></td><td width="70%">Shall be a scalar of type <code>INTEGER</code>.</td></tr>
<tr><td width="15%"><var>OLD</var></td><td width="70%">(Optional) Shall be a scalar of type
<code>INTEGER</code>.</td></tr>
</table>

</dd>
</dl>






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